How do I bind the transmitter to a receiver?

Use the LUA script to select the Bind option, ensuring the receiver firmware is version V3.0.0 to V3.5.0.

What is the input voltage range?

The device operates on an input voltage of 5-12V (2S).

Can I change the refresh rate?

Yes, you can select between 25Hz, 50Hz, 100Hz, and 200Hz using the LUA script.

Fpv Drone Elrs 433tx Transmitter High Frequency 360-560MHz Optional Transmitter Module Signal Strong for Radiomaster Tx16s Tx12

Name: Fpv Drone Elrs 433tx Transmitter High Frequency 360-560MHz Optional Transmitter Module Signal Strong for Radiomaster Tx16s Tx12
Brand: Shenzhen Xingkai Technology Co., Ltd
SKU: 2175472465

Guangdong, ChinaShenzhen Xingkai Technology Co., Ltd

US$45.83

1 Piece

Sample price:US$45.83/piece.Request sample

Product profile

Customization

Available

Transport Package

Carton

Specification

6*5*5

Model NO.

ELRS High frequency head

Trademark

Xingkaitech

Origin

China

Production Capacity

50000piece/Year

Key features

Wide Frequency Range: Supports 360MHz to 990MHz plus 2.4GHz with 12 optional bands.

Adjustable Output Power: Configurable power levels from 100mW to 2000mW via LUA script.

High Refresh Rate: Offers selectable refresh rates of 25Hz, 50Hz, 100Hz, and 200Hz.

Low Latency Connection: Ensures stable long-range control with minimal signal delay.

Open Source Protocol: Built on ExpressLRS open-source project for maximum flexibility.

LUA Script Control: Full parameter customization including power and refresh rate via script.

Universal Compatibility: Works with all JR interface remote controls supporting CRSF protocol.

WiFi Firmware Update: Enables easy over-the-air firmware updates via WiFi connection.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Exhibition Experience

Shenzhen Xingkai Technology Co., Ltd

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2016-05-20Nearest Port: Shenzhen, HKAverage Response Time: ≤6.86hTerms of Payment: T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as a Shenzhen-based manufacturing factory in the manufacturing industry. It demonstrates broad customization, R&D, 3D design, SDK, ODM, and OEM capabilities, with new products reported in the past year. Quality assurance is stated, and finished-product inspection instructions are uniformly followed. However, several service-control procedures lack written records, there is no approved supplier list, and no valid manufacturing-capacity contract with associated subcontractors. The supplier has inventory capability and reported lead times within 15 workdays in both peak and off-season periods, but lacks overseas warehouses, showrooms, agents, or branches. Financial information is represented by year labels only, without sufficient evidence to assess financial credibility. No certification holdings or specific customer cases are provided.

Supplier typeThe supplier is classified as a combined company and a factory located in Bao’an District, Shenzhen, with associated companies in the manufacturing industry. This directly supports its identity as a manufacturing-oriented supplier rather than a purely trading entity.

R&D capabilityThe supplier reports professional technical R&D capability, available SDK support, new products within the past year, and ODM services. These stated capabilities provide explicit evidence of active product-development and technical-support capacity.

Production capacityThe supplier is a manufacturing factory, reports standardized and uniformly followed finished-product inspection instructions, has in-stock capability, and states lead times within 15 workdays in both peak and off-season periods. However, it has no valid contract with associated subcontractors, leaving subcontracted manufacturing governance as a documented weakness.

Customization capabilityThe supplier offers customization from samples and designs, full, minor, and flexible customization, as well as 3D software design, ODM, and OEM services. The consistency of these capabilities across the slices provides explicit evidence of broad customization support.

Product Q&A

Q:What frequency bands are supported?

The transmitter supports 360, 400, 433, 500, 530, 560, 720, 750, 868, 915, 950, 990 MHz and 2.4 GHz.

Q:How is the output power configured?

Power can be set to 100mW, 250mW, 500mW, 1000mW, or 2000mW using the LUA script on the remote control.

Q:Which remote controls are compatible?

It is compatible with all remote controls using the JR interface that support CRSF signal output, such as OpenTX systems.

Q:How do I update the firmware?

You can enable WiFi on the module to perform firmware updates directly.

Q:What is the required protocol?

The module uses the Crossfire Serial Data Protocol (CRSF) by default.

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Fpv Drone Elrs 433tx Transmitter High Frequency 360-560MHz Optional Transmitter Module Signal Strong for Radiomaster Tx16s Tx12